Question: 4.7 Outsourcing by Airlines. Does your plot for Exercise 4.5 show a positive, negative, or no association between maintenance outsourcing and delays caused by the

4.7 Outsourcing by Airlines. Does your plot for Exercise 4.5 show a positive, negative, or no association between maintenance outsourcing and delays caused by the airline? If it shows association, is the relationship very strong? Are there any outliers? DATA AIRLINE

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